-
Notifications
You must be signed in to change notification settings - Fork 23
/
init-cpp.el
506 lines (485 loc) · 20 KB
/
init-cpp.el
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
;;; init-cpp.el --- Cpp -*- lexical-binding: t -*-
;;; Commentary:
;;
;;; Code:
(require 'init-macros)
(use-package cc-mode
:ensure nil
:mode ("\\.cxx\\'" . c++-mode)
:hook (c-mode . (lambda ()
(setq comment-start "// "
comment-end "")))
:config
(with-no-warnings
(defconst ccls-args nil)
(defconst clangd-args '("-j=2"
"--malloc-trim"
"--background-index"
"--clang-tidy"
"--completion-style=bundled"
"--header-insertion-decorators"))
(with-eval-after-load 'lsp-mode
;; Prefer `clangd' over `ccls'
(cond ((executable-find "clangd") (setq lsp-clients-clangd-executable "clangd"
lsp-clients-clangd-args clangd-args))
((executable-find "ccls") (setq lsp-clients-clangd-executable "ccls"
lsp-clients-clangd-args ccls-args)))))
:custom
(c-comment-prefix-regexp '((c-mode . "//+!?\\|\\**")
(c++-mode . "//+!?\\|\\**")
(awk-mode . "#+")
(other . "//+\\|\\**")))
(c-doc-comment-style '((c-mode . gtkdoc)
(c++-mode . doxygen)))
(c-basic-offset 4)
(c-label-minimum-indentation 0)
(c-offsets-alist '(;; a multi-line C style block comment
;;
;; /**
;; * text
;; */
;; int foo();
(c . c-lineup-C-comments)
;; a multi-line string
;;
;; const char* s = "hello,\
;; world";
(string . c-lineup-dont-change)
;; brace of function
;;
;; int add1(int x) {
;; return ++x;
;; }
(defun-open . 0)
(defun-close . 0)
(defun-block-intro . +)
;; brace of class
;;
;; class Foo {
;; public: // <- access-label
;; };
(class-open . 0)
(class-close . 0)
(access-label . -)
;; brace of class method
;;
;; class Foo {
;; friend class Bar; // <- friend
;; int getVar() { // <- inclass
;; return 42;
;; }
;; };
(inline-open . 0)
(inline-close . 0)
(inclass . +)
(friend . 0)
;; `noexcept' specifier indentation
(func-decl-cont . +)
;; brace of list
;;
;; int nums[] =
;; {
;; 0,
;; 1,
;; {2},
;; };
(brace-list-open . 0)
(brace-list-close . 0)
(brace-list-intro . +)
(brace-list-entry . 0)
(brace-entry-open . 0)
;; brace of namespace
;;
;; namespace ns {
;; const int var = 42;
;; }
(namespace-open . 0)
(namespace-close . 0)
(innamespace . 0)
;; brace of statement block
;;
;; int send_mail() {
;; std::mutex io_mtx;
;; {
;; std::lock_guard<std::mutex> lk(io_mtx);
;; // ...
;; }
;; }
(block-open . 0)
(block-close . 0)
;; topmost definition
;;
;; struct
;; foo {};
(topmost-intro . 0)
(topmost-intro-cont . c-lineup-topmost-intro-cont)
;; class member initialization list
;;
;; struct foo {
;; foo(int a, int b) :
;; a_(a),
;; b_(b) {}
;; };
(member-init-intro . +)
(member-init-cont . c-lineup-multi-inher)
;; class inheritance
;;
;; struct Derived : public Base1,
;; public Base2 {
;; };
(inher-intro . +)
(inher-cont . c-lineup-multi-inher)
;; A C statement
;;
;; int main(int argc, char* argv[]) {
;; const int var1 = 42;
;; const int var2 = (argc > 1) ? 314 // <- a new statement starts
;; : 512; // <- statement-cont
;; {
;; const int var3 = 42; // <- statement-block-intro
;; }
;;
;; switch (argc) {
;; case 0: // <- case-label
;; break; // <- statement-case-intro
;;
;; case 1:
;; { // <- statement-case-open
;; const int tmp = 101;
;; }
;; break;
;; }
;;
;; if (argc == 1)
;; assert(argc == 1); // <- substatement
;;
;; if (argc == 1)
;; { // <- substatement-open
;; assert(argc == 1);
;; }
;;
;; // comments // <- comment-intro
;; if (argc == 1)
;; glabel: // <- substatement-label
;; assert(argc == 1);
;;
;; error: // <- label, with zero `c-label-minimum-indentation'
;; return -1;
;; }
(statement . 0)
(statement-cont . (c-lineup-ternary-bodies +))
(statement-block-intro . +)
(statement-case-intro . +)
(statement-case-open . +)
(substatement . +)
(substatement-open . 0)
(substatement-label . 0)
(case-label . 0)
(label . 0)
(do-while-closure . 0)
(else-clause . 0)
(catch-clause . 0)
(comment-intro . c-lineup-comment)
;; funcall with arglist
;;
;; sum(
;; 1, 2, 3
;; );
(arglist-intro . +)
(arglist-cont . 0)
(arglist-cont-nonempty . c-lineup-arglist)
(arglist-close . c-lineup-close-paren)
;; operator>> and operator<< for cin/cout
;;
;; std::cin >> a
;; >> b;
;; std::cout << a
;; << b;
(stream-op . c-lineup-streamop)
;; macros
;;
;; #define ALIST(G) \
;; G(1) \
;; G(2)
(cpp-macro . -1000)
(cpp-macro-cont . +)
;; extern
;;
;; extern "C" {
;; void test();
;; }
(extern-lang-open . 0)
(extern-lang-close . 0)
(inextern-lang . 0)
;; lambda
;;
;; auto f = [](int a, int b) {
;; return a + b;
;; };
(inlambda . 0)
(lambda-intro-cont . +)
;; GNU extension, a compound statement as expression
;;
;; int x = 1, y = 2;
;; int z = ({
;; int ret;
;; if (y > 0)
;; ret = y;
;; else
;; ret = x - y;
;; ret;
;; });
(inexpr-statement . 0)
;; c++ template args
;;
;; dummy<int,
;; char,
;; double>(0, 0, 0);
(template-args-cont . (c-lineup-template-args +)))))
;; A compiler output viewer
(use-package rmsbolt
:ensure t
:commands rmsbolt-compile
:custom
(rmsbolt-asm-format nil)
(rmsbolt-default-directory temporary-file-directory))
;; Parser generator
(use-package bison-mode
:ensure t
:mode (("\\.l\\'" . flex-mode)
("\\.y\\'" . bison-mode)))
;; LLVM IR
;;
;; Install with
;;
;; ```elisp
;; (quelpa
;; '(llvm-mode :fetcher url
;; :url "https://gitee.com/mirrors/LLVM/raw/main/llvm/utils/emacs/llvm-mode.el"))
;; ```
(use-package llvm-mode
:ensure nil
:mode ("\\.ll\\'" . llvm-mode))
;; TableGen description
;;
;; Install with
;;
;; ```elisp
;; (quelpa
;; '(tablegen-mode :fetcher url
;; :url "https://gitee.com/mirrors/LLVM/raw/main/llvm/utils/emacs/tablegen-mode.el"))
;; ```
(use-package tablegen-mode
:ensure nil
:mode ("\\.td\\'" . tablegen-mode))
;; Highlight "#if 0" as comments
(use-package hideif
:ensure nil
:hook ((c-mode c++-mode) . hide-ifdef-mode)
:config
(when (eq system-type 'gnu/linux)
(add-to-list 'hide-ifdef-env '(__linux__ . 1))
(add-to-list 'hide-ifdef-env '(__GNUC__ . 11)))
(when (eq system-type 'darwin)
(add-to-list 'hide-ifdef-env '(__APPLE__ . 1))
(add-to-list 'hide-ifdef-env '(__clang__ . 1))
(add-to-list 'hide-ifdef-env '(__llvm__ . 1)))
:custom
(hide-ifdef-initially t)
(hide-ifdef-shadow t))
;; Expand C macros
;;
;; Useful when writing quick tests.
(use-package cmacexp
:ensure nil
:commands c-macro-expand
:custom
(c-macro-prompt-flag t)
(c-macro-shrink-window-flag t))
;; Snippets for C/C++
(use-package tempo
:ensure nil
:after cc-mode
:hook ((c-mode . c-mode-tempo-setup)
(c++-mode . c++-mode-tempo-setup))
:config
(defvar c-tempo-tags nil)
(defvar c++-tempo-tags nil)
(defun c-mode-tempo-setup ()
(tempo-use-tag-list 'c-tempo-tags))
(defun c++-mode-tempo-setup ()
(tempo-use-tag-list 'c-tempo-tags)
(tempo-use-tag-list 'c++-tempo-tags))
(tempo-define-template "c-ifndef"
'("#ifndef " (P "ifndef-clause: " clause) > n
"#define " (s clause) n> p n
"#endif // " (s clause) n>
)
"ifndef"
"Insert #ifndef #define #endif directives"
'c-tempo-tags)
(tempo-define-template "c-main"
'("int main(int argc, char* argv[]) {" > n>
p n
"}" > n>
)
"main"
"Insert a main function"
'c-tempo-tags))
;; cmake, the de factor build system for C++
(use-package cmake-mode
:ensure t
:mode (("CMakeLists\\.txt\\'" . cmake-mode)
("\\.cmake\\'" . cmake-mode))
:bind (:map cmake-mode-map
;; Compatible with lsp-mode keybindings
("C-c d" . cmake-help))
:config
(set-company-backends-for! cmake-mode company-cmake company-dabbrev-code company-dabbrev))
;; Extra font locks for cmake
(use-package cmake-font-lock
:ensure t
:hook (cmake-mode . cmake-font-lock-activate))
;; Snippets for cmake
;;
;; Visit https://cmake.org/cmake/help/latest/manual/cmake-buildsystem.7.html for
;; more information about cmake.
(use-package tempo
:ensure nil
:after cmake-mode
:hook (cmake-mode . cmake-mode-tempo-setup)
:config
(defvar cmake-tempo-tags nil)
(defun cmake-mode-tempo-setup ()
(tempo-use-tag-list 'cmake-tempo-tags))
;; cmake provides `PROJECT_NAME` to refer the name defined with `project`
;; function. Sadly converting a string to upper case is hard in cmake.
(defun proj-prefixed (arg)
(tempo-process-and-insert-string (concat (upcase (tempo-lookup-named 'proj)) arg)))
;; Make sure you have the following directory hierarchy
;;
;; .
;; ├── CMakeLists.txt
;; ├── include
;; │ └── lib.hpp
;; ├── src
;; │ ├── foo.cpp
;; │ ├── foo_test.cpp
;; │ └── foo_benchmark.cpp
;; ├── benchmarks
;; │ └── CMakeLists.txt
;; └── tests
;; └── CMakeLists.txt
;;
;; The `benchmarks` directory and `tests` directory are optional.
;;
;; If you want to put all headers in `src` directory, don't forget to export them.
;;
;; ``` cmake
;; # method 1
;; set(CMAKE_INCLUDE_CURRENT_DIR_IN_INTERFACE ON)
;;
;; # method 2
;; target_sources(yourlib
;; PRIVATE
;; implementation.cpp
;; PUBLIC
;; header.hpp
;; )
;; ```
;;
;; # Features
;;
;; - Option to enable tests
;; - Option to enable benchmarks
;; - Git tag based version
(tempo-define-template "cmake-library"
'((P "project: " proj 'noinsert)
"cmake_minimum_required(VERSION 3.13)" n n
"set(CMAKE_POSITION_INDEPENDENT_CODE ON)" n
"set(CMAKE_EXPORT_COMPILE_COMMANDS ON)" n n
"project(" (s proj) n
" VERSION 0.1.0" n
" LANGUAGES CXX" n
" DESCRIPTION \"\"" n
" HOMEPAGE_URL \"\"" n
")" n n
"include(CTest)" n
"include(FetchContent)" n n
"option(" (proj-prefixed "_BUILD_TESTS") " \"Build tests\" ON)" n
"option(" (proj-prefixed "_BUILD_BENCHMARKS") " \"Build benchmarks\" OFF)" n n
"# Sources for the library are specified at the end" n
"add_library(" (s proj) " \"\")" n n
"# Alias to avoid name conflicts" n
"# add_library(ANameWithDoubleColons ALIAS " (s proj) ")" n n
"### Compile options" n
"# Enable C++17 (Required)" n
"target_compile_features(" (s proj) n
" PUBLIC" n
" cxx_std_17" n
")" n n
"# Common GCC/Clang options" n
"target_compile_options(" (s proj) n
" PRIVATE" n
" $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wall -Wextra>" n
")" n n
"### Libraries" n
"# Enable threading support" n
"set(THREADS_PREFER_PTHREAD_FLAG ON)" n
"find_package(Threads REQUIRED)" n
"target_link_libraries(" (s proj) " PRIVATE Threads::Threads)" n n
"# Benchmark" n
"if(" (proj-prefixed "_BUILD_BENCHMARKS)") n
" set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL \"Disable benchmark testing\" FORCE)" n
" FetchContent_Declare(" n
" benchmark" n
" GIT_REPOSITORY https://github.com/google/benchmark.git" n
" GIT_TAG v1.9.0" n
" GIT_SHALLOW true" n
" GIT_PROGRESS true" n
" )" n
" FetchContent_MakeAvailable(benchmark)" n
"endif()" n n
"# Test" n
"if(" (proj-prefixed "_BUILD_TESTS)") n
" # libgtest.a and libgtest_main.a will be built" n
" FetchContent_Declare(" n
" gtest" n
" GIT_REPOSITORY https://github.com/google/googletest" n
" GIT_TAG v1.15.2" n
" GIT_SHALLOW true" n
" GIT_PROGRESS true" n
" )" n
" FetchContent_MakeAvailable(gtest)" n
"endif()" n n
"### Definitions" n n
"### Includes" n n
"target_include_directories(" (s proj) " PUBLIC" n
" $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>" n
" $<INSTALL_INTERFACE:include>" n
")" n n
"### Install" n n
"### Sources" n
"target_sources(" (s proj) n
" PRIVATE" n
" src/lib.cpp" n
")" n n
"### Obtain version information from Git" n
"# if(NOT " (proj-prefixed "_VERSION)") n
"# execute_process(COMMAND git describe --always --long HEAD" n
"# OUTPUT_VARIABLE " (proj-prefixed "_VERSION") n
"# OUTPUT_STRIP_TRAILING_WHITESPACE" n
"# WORKING_DIRECTORY \"${CMAKE_CURRENT_SOURCE_DIR}\")" n
"#" n
"# if(NOT " (proj-prefixed "_VERSION)") n
"# set(" (proj-prefixed "_VERSION") " \"<unknown>\")" n
"# endif()" n
"# endif()" n n
"# target_compile_definitions(" (s proj) " PRIVATE " (proj-prefixed "_VERSION=\"${") (proj-prefixed "_VERSION") "}\")" n
)
"lib"
"Insert a cmake library"
'cmake-tempo-tags)
)
(provide 'init-cpp)
;;; init-cpp.el ends here